From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3480910F1; Mon, 29 Dec 2025 05:39:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766986778; cv=none; b=oilWU3oICHRAyMlxxV8uIHNlckb/8iEJWEHBVytC31/yVG0Weigfgb6WzwCzbVuo88SO2rSNwv+bI4tCZmOuzMvQ+YPIhVEox0BW8yZvCETUKIDaejakbbD6TpdRMeNo2v75HIX5xW01znaQaxJ5HI5kEBLG1jvxhTdpm0s92OE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1766986778; c=relaxed/simple; bh=hUD0ESZR0fiGX+5i+A4WD58O6b8Rleo0ARVfBQND1fg=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ryfkeBQCjZlw0UFv+FWs1kv4jOLHC93hTPwZbUt5CN7r4y2HScRCGnZdgGZKjefn0ubTK2cgXLHIJhgunpOhDxi5xLsozUsLUn/2HzQs0Q05ya6vkHEauTDXBvAxpG+nW6DtGdLDPlzZE14TYFt3917IsDjAfd34If+hJQ6P2mk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=crfK7hGE; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="crfK7hGE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 37B43C4CEF7; Mon, 29 Dec 2025 05:39:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1766986778; bh=hUD0ESZR0fiGX+5i+A4WD58O6b8Rleo0ARVfBQND1fg=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=crfK7hGEKJQd+jZ/mzVVllUGC53q1JtiM6l0nfgK0VmZ+jHGITOazGfxXJsgGjzhk w+SOgDsDiiDVFhcjFx1MwfiTWZ4iCOnfJ5EpkBzLLWt/b9jfx4VxULNYVllvN1APN4 uP9z7nLzBszdSpkTIk2HnRHyVqAYtM/5D1uVgjcTZIEUeFCGzWV1E/CK4ZZsoYLvVJ Pdx7fX6aZsz1Wh0NTY94/o1DY+6Z7T2Yu3GA8BDwQ7eCMrdCy6OkzGQbPbZsxhT/rF 9SDLMgTzaZnjdXrCdRo8HKNS0FEwwW2jwb2iPYJjAPtXUv/IMpJLD4dKLvBVPFr6gi MQpYWX6j4BHyg== Date: Mon, 29 Dec 2025 11:09:29 +0530 From: Sumit Garg To: Arnaud Pouliquen Cc: Bjorn Andersson , Mathieu Poirier , Jens Wiklander , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, op-tee@lists.trustedfirmware.org, devicetree@vger.kernel.org Subject: Re: [PATCH v20 1/6] dt-bindings: firmware: Add TEE remoteproc service binding Message-ID: References: <20251217153917.3998544-1-arnaud.pouliquen@foss.st.com> <20251217153917.3998544-2-arnaud.pouliquen@foss.st.com> Precedence: bulk X-Mailing-List: linux-remoteproc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251217153917.3998544-2-arnaud.pouliquen@foss.st.com> On Wed, Dec 17, 2025 at 04:39:12PM +0100, Arnaud Pouliquen wrote: > Add a device tree binding for the TEE-based remote processor control > service implemented as an OP-TEE Trusted Application identified by > UUID 80a4c275-0a47-4905-8285-1486a9771a08. > > The TEE service node is a child of the "linaro,optee-tz" firmware node and > acts as a container for remoteproc devices that are controlled via TEE. > > In addition, the "linaro,optee-tz" binding is updated to specify the > '#address-cells' and '#size-cells' values used for child TEE service > nodes. > > Signed-off-by: Arnaud Pouliquen > --- > .../arm/firmware/linaro,optee-tz.yaml | 6 +++ > .../bindings/remoteproc/remoteproc-tee.yaml | 47 +++++++++++++++++++ > 2 files changed, 53 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/remoteproc-tee.yaml > > diff --git a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml > index 5d033570b57b..ab69eecba9ad 100644 > --- a/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml > +++ b/Documentation/devicetree/bindings/arm/firmware/linaro,optee-tz.yaml > @@ -41,6 +41,12 @@ properties: > HVC #0, register assignments > register assignments are specified in drivers/tee/optee/optee_smc.h > > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > required: > - compatible > - method > diff --git a/Documentation/devicetree/bindings/remoteproc/remoteproc-tee.yaml b/Documentation/devicetree/bindings/remoteproc/remoteproc-tee.yaml > new file mode 100644 > index 000000000000..083ecf1f38cf > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/remoteproc-tee.yaml > @@ -0,0 +1,47 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/remoteproc/remoteproc-tee.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: TEE Remote Processor Control Service (UUID 80a4c275-0a47-4905-8285-1486a9771a08) > + > +maintainers: > + - Arnaud Pouliquen > + > +description: | > + Node describing a TEE-based remote processor control service implemented as > + a Trusted Application identified by UUID 80a4c275-0a47-4905-8285-1486a9771a08. > + > + It is a child of the OP-TEE firmware node ("linaro,optee-tz") and acts as a > + container for child remoteproc devices (for example, the STM32MP15 M4 core > + described by "st,stm32mp1-tee"). > + > +properties: > + compatible: > + const: rproc-service-80a4c275-0a47-4905-8285-1486a9771a08 This should just be "80a4c275-0a47-4905-8285-1486a9771a08" which is the device/service identity on TEE bus. -Sumit > + > + reg: > + description: | > + Logical identifier of the TEE remoteproc service instance. > + maxItems: 1 > + > + "#address-cells": > + const: 1 > + > + "#size-cells": > + const: 0 > + > +patternProperties: > + "^[a-zA-Z0-9,._-]+@[0-9a-fA-F]+$": > + type: object > + > + > +required: > + - compatible > + - reg > + - "#address-cells" > + - "#size-cells" > + > +additionalProperties: false > +... > -- > 2.43.0 >